package com.roytrack.netty.protobuf8_1;

import com.roytrack.netty.protobuf.SubscribeReqC;
import io.netty.bootstrap.ServerBootstrap;
import io.netty.channel.ChannelFuture;
import io.netty.channel.ChannelInitializer;
import io.netty.channel.ChannelOption;
import io.netty.channel.EventLoopGroup;
import io.netty.channel.nio.NioEventLoopGroup;
import io.netty.channel.socket.SocketChannel;
import io.netty.channel.socket.nio.NioServerSocketChannel;
import io.netty.handler.codec.protobuf.ProtobufDecoder;
import io.netty.handler.codec.protobuf.ProtobufEncoder;
import io.netty.handler.codec.protobuf.ProtobufVarint32FrameDecoder;
import io.netty.handler.codec.protobuf.ProtobufVarint32LengthFieldPrepender;
import io.netty.handler.logging.LogLevel;
import io.netty.handler.logging.LoggingHandler;

/**
 * Created by roytrack on 2016-10-24.
 */
public class SubReqServer {
  public static void main(String[] args) throws InterruptedException {
    int port = 9009;
    SubReqServer s = new SubReqServer();
    s.bind(port);
  }

  public void bind(int port) throws InterruptedException {
    EventLoopGroup bossGroup = new NioEventLoopGroup();
    EventLoopGroup workerGroup = new NioEventLoopGroup();
    try {
      ServerBootstrap b = new ServerBootstrap();
      b.group(bossGroup, workerGroup)
              .channel(NioServerSocketChannel.class)
              .option(ChannelOption.SO_BACKLOG, 100)
              .handler(new LoggingHandler(LogLevel.INFO))
              .childHandler(new ChannelInitializer<SocketChannel>() {
                @Override
                protected void initChannel(SocketChannel ch) {
                  ch.pipeline().addLast(new ProtobufVarint32FrameDecoder());
                  ch.pipeline().addLast(new ProtobufDecoder(SubscribeReqC.SubscribeReq.getDefaultInstance()));
                  ch.pipeline().addLast(new ProtobufVarint32LengthFieldPrepender());
                  ch.pipeline().addLast(new ProtobufEncoder());
                  ch.pipeline().addLast(new SubReqServerHandler2());
                }
              });
      ChannelFuture f = b.bind(port).sync();
      f.channel().closeFuture().sync();
    } finally {
      bossGroup.shutdownGracefully();
      workerGroup.shutdownGracefully();
    }
  }
}
